Search Results: "Ringworlds"

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• 03:26

  Ringworlds

  552 views / 0 likes - added 8 years ago

  After spotting a mysterious star with two rings around it, scientists struggle to explain the anomaly. Could it be a "Ringworld" created by a highly superior race as suggested in a sci-fi novel? | For more, visit http://www.sciencechannel.com/tv-shows/are

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